Document Library
Search documents produced by UTREP staff and collaborators, as well as historical documents that provide context for UTREP efforts.
San Francisco Public Utilities Commission
Environmental Flow Study for the Hetch Hetchy Reach - Early Workgroup Draft
Draft study and environmental flow recommendations for the Upper Tuolumne River.
Breeanne K. Jackson et al.
River food chains lead to riparian bats and birds in two mid‐order rivers
Scientific publication exploring the connection between river food chains and riparian wildlife.
Yosemite National Park
Looking Downstream, 2017 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Stillwater Sciences and McBain Associates
UTREP 2017 Fisheries Monitoring
Fisheries monitoring results and analysis from the 2017 season.
McBain Associates
O’Shaughnessy Dam Instream Flow Evaluation Study Plan
Study on instream flow requirements for the Upper Tuolumne River.
Watercourse Engineering
Development of a Flow and Temperature Model for the Hetch Hetchy Reach of the Upper Tuolumne River
Temperature modeling and analysis for the Upper Tuolumne River.
RMC and McBain & Trush
Upper Tuolumne River: Available Data Sources, Field Work Plan, and Initial Hydrology Analysis
Summary of available data for the Upper Tuolumne River.
McBain Associates
2013-2014 Rim Fire Monitoring
Monitoring report on Rim Fire impacts
U.S. Department of Interior
1985 Stipulation
Regulatory stipulation regarding Tuolumne River water management.
RMC and McBain & Trush
Upper Tuolumne River: Description of River Ecosystem and Recommended Monitoring Actions
Report on Upper Tuolumne River monitoring recommendations.
Steward Udall, Secretary of the Department of Interior
1961 Stipulation
Regulatory stipulation regarding Tuolumne River water management.
Aceituno
Instream Flow Requirements for Rainbow and Brown Trout in the Tuolumne River Between O'Shaughnessy Dam and Early Intake
Study of instream flow requirements in the Upper Tuolumne River
Donald Baltz and Peter Moyle
Segregation by species and size classes of rainbow trout, and Sacramento sucker, in three California streams
Fisheries evaluation on Cherry and Eleanor Creeks
Bechtel Corporation
River releases for fish enhancement and environmental aesthetics - a systems study
Study on the effects of river releases on Hetch Hetchy Reservoir management
US Fish & Wildlife Service
Environmental Assessment Tuolumne River Flow Schedule Revision (Canyon Power Project)
National Environmental Policy Act review of the Canyon Power Project
J.P. Hoffman
Age and growth of Tuolumne River brown trout
Investigation of age and growth of brown trout in the Tuolumne River downstream of Hetch Hetchy Reservoir.
San Francisco Public Utilities Commission
UTREP 2014 Fisheries Monitoring
Fisheries monitoring report for the Upper Tuolumne River ecosystem.
Yosemite National Park
Looking Downstream, 2011-2012 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Peter Moyle & Donald Baltz
Fisheries evaluation of Lake Eleanor and Cherry and Eleanor Creeks
Fisheries surveys on the Cherry/Eleanor systems
Hydrocomp, Inc.
Sensitivity of Upper Tuolumne River Flow to Climate Change Scenarios
A study assessing the sensitivity of Tuolumne River reservoir inflows to a range of changes in two variables: temperature and precipitation.
Yosemite National Park
Looking Downstream, 2014 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Bruce Vondracek
Tuolumne Fish Population Survey - 1985
Fisheries survey report
Yosemite National Park
Looking Downstream, 2009 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
San Francisco Public Utilities Commission
UTREP 2015-2016 Fisheries Monitoring
Fisheries monitoring report for the Upper Tuolumne River ecosystem.
Yosemite National Park
Looking Downstream, 2007 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
McBain Associates and Questa Engineering
Amphibian and Reptile Assessment Study Plan for the Hetch Hetchy Reach
Study plan for herpetological assessment for the Upper Tuolumne River ecosystem.
Desrosiers et al.
Low flows in a regulated river system are associated with reduced breeding bird abundance and diversity in Yosemite National Park, California
Scientific publication exploring the role of droughts in breeding bird abundance and diversity.
Richard Ridenhour
Tuolumne River fish population survey
Fisheries surveys
San Francisco Public Utilities Commission
UTREP 2018 Fisheries Monitoring
Fisheries monitoring report for the Upper Tuolumne River ecosystem.
Russo et al.
Improving riparian wetland conditions based on infiltration and drainage behavior during and after controlled flooding
An observational and modeling study of the hydrologic response of Poopenaut Valley riparian wetlands to controlled flooding
Yosemite National Park
Looking Downstream, 2013 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Looking Downstream, 2010 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
U.S. Fish & Wildlife Service
Hetch Hetchy Reach Fisheries Investigation; Progress Report
Fisheries investigations on the Upper Tuolumne River
Yosemite National Park
Looking Downstream, 2015 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Fong
Fong Pulsed Flow Wave Attenuation on a Regulated Montane River
investigated the effects of hydrograph shape on attenuation of regulated pulsed flow events by first categorizing and then modeling the downstream movement of representative Masters thesis the effects of hydrograph shape on attenuation of regulated pulsed flow events by first categorizing and then modeling the downstream movement of representative pulses on the upper Tuolumne River below Holm Powerhouse in the Sierra Nevadas of California.
Moyle and Marchetti
Temperature Requirements of Rainbow Trout and Brown Trout in Relation to Flows Between O'Shaughnessy Dam and Early Intake on the Tuolumne River, California
Summary of temperature requirements for trout on the upper Tuolumne River.
Yosemite National Park
Looking Downstream, 2016 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
US Forest Service
Environmental Assessment on the Proposed Third Generator Unit at Kirkwood Powerhouse
National Environmental Policy Act review of the 1980's proposal to add a third hydropower generation unit at Kirkwood Powerhouse
Yosemite National Park
Looking Downstream, 2008 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Holmquist and Schmidt-Gengenbach
Characterization of the benthic macroinvertebrate assemblage in the river and Poopenaut pond and response of benthos and drift to experimental spring release events
A report on the response of benthos and drift to experimental spring release events downstream of Hetch Hetchy Reservoir
McBain Associates
2015-2016 Rim Fire Monitoring
Monitoring report on Rim Fire impacts to the Upper Tuolumne River ecosystem.
Merritt Smith Consulting
Preliminary Analysis of Available Data for Modeling Temperature in the Hetch Hetchy Reach (O’Shaughnessy Dam to Cherry Creek)
Temperature modeling and analysis for the Upper Tuolumne River.
US Fish and Wildlife Service
Supplement to the Environmental Assessment Tuolumne River Flow Schedule Revision (Canyon Power Project)
Supplemental National Environmental Policy Act review of the Canyon Power Project
Stillwater Sciences
Upper Tuolumne River Ecosystem Project: Streambank Stability Study in Poopenaut Valley, Yosemite National Park, California
A investigation into the effects of drawdown ramping rates on the stability of the valley’s tributary banks
US Fish & Wildlife Service
Tuolumne River Flow Study - Canyon Power Project
Study on instream flow requirements for the Upper Tuolumne River.
U.S. Department of Interior
1987 Stipulation
Regulatory stipulation regarding Tuolumne River water management.
Baptiste François, et al.
Long Term Vulnerability Assessment and Adaptation Plan for the San Francisco Public Utilities Commission Water Enterprise - Phase I
The goal of the LTVA is to help assess whether climate change will be a threat to the RWS in comparison to, or in combination with, other external drivers of change over the next 50 years (2020-2070).